public function qualityAssuranceModuleItems($courseId, $moduleItemIds)
{
$modulesItems = ModuleItem::where('course_id', '=', $courseId)->select('module_item_id')->get();
$fromDBArr = array();
foreach ($modulesItems as $item) {
$fromDBArr[] = $item['module_item_id'];
}
$toBeDeleted = array_diff($fromDBArr, $moduleItemIds);
foreach ($toBeDeleted as $module_item_id) {
ModuleItem::where('course_id', '=', $courseId)->where('module_item_id', '=', intval($module_item_id))->delete();
}
}
